Any number of natural persons, not less than three, residing in the county of incorporation may incorporate an authority as provided in this chapter. The incorporators shall file a written application in accordance with Section probate judge; contents thereof; recordation of application by probate judge; approval or disapproval by governing body of county of incorporation and each participating municipality” class=”unlinked-ref” datatype=”S” sessionyear=”2020″ statecd=”AL” title=”11″>11-86A-4.